package swistak.service;

import java.io.Serializable;
import java.util.List;

import org.springframework.transaction.annotation.Transactional;

import swistak.domain.Product;

public interface ProductManager extends Serializable{

    public void increasePrice(int percentage);
    
    public List<Product> getProducts();

	void addProduct();
	
	public List<Product> getProductsDb();
    
}
